Worksheets7th grade - Scientific Explanations
Total questions: 20
Worksheet time: 3600secs
______ is a possible explanation about an observation that can be tested scientific investigations.
prediction
explanation
hypothesis
theory
A description of how close a measurement is to an accepted or true value.
precision
accuracy
scientific measurement
moles
The investigation and exploration of natural events and of new information that results from investigations. When you observe the natural world, you might form questions about what you see.
Scientific theory
investigation
experiment
science
a rule in science that describes a pattern in nature.
scientific theory
scientific law
scientific notation
law
An explanation of observation and events based on knowledge gained from many observations and investigations.
scientific theory
scientific law
scientific notation
scientific experimentation
What TWO subjects fall under the branch: life science?
physics
engineering
biology
anatomy and physiology
(Select ALL that Apply) Which subjects fall under the branch: physical science?
physics
physical science
chemistry
anatomy and physiology
(Select All That Apply) Which of the following techniques are used to minimize bias in scientific inquiry?
blinding
systematic random sampling
quality control for reliability and reproducibility
take away outliers
each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first nonzero digit.
scientific notation
percent error
significant figures
scientific law
5.4 has how many significant digits?
2
1
0
1.5432 has how many significant digits?
4
3
1
5
0.056 how many significant digits
2
4
3
5
1.00009
3
2
6
5
a description of how similar or close measurements are to each other
percent error
accuracy
precision
prediction
Which system of measurement is accepted worldwide by scientists?
Imperial System
Metric System
International System of Units (SI)
Metro system
a spoken or written summary of an observation.
description
explanation
prediction
hypothesis
An interpretation of observations.
explanation
description
prediction
The prefix kilo- stands for
102
100
103
1,000,000
comparing what you already know with information your are given in order to decide whether you agree with it
prediction
hypothesis
critical thinking
constructive criticism
The 5 steps of scientific method are:
1) Ask questions 2) Make observations 3) Make a hypothesis 4) ______ 5) Analyze and Communicate results
Test the Hypothesis
predict
make an explanation
record data
